High and low temperature test chamber, also known as environmental test chamber, tests the heat, cold and dry resistance of various materials. Suitable for electronics, electrical appliances, food, vehicles, metals, chemicals, building materials and other factories. To detect the discoloration and shrinkage of rubber and plastic under high temperature and humidity. Test various materials for heat resistance, cold resistance and dry resistance. It is suitable for quality control inspection of factories and units in electronics, electrical appliances, batteries, universities, research institutes, inspection and quarantine bureaus, paper products, food, vehicles, auto parts, metals, chemicals, building materials and other industries.
High and low temperature test chamber, also known as environmental test chamber, tests the heat, cold and dry resistance of various materials. Suitable for electronics, electrical appliances, food, vehicles, metals, chemicals, building materials and other factories.
2、 Control mode:
The balanced temperature control system (BTHC) controls the SSR in the P.I.D. mode, so that the heating amount of the system is equal to the loss amount, so it can be used stably for a long time.
Inner box size
W × H × D ：400 × five hundred × 400(mm)
Outer box size
W × H × D ：900 × one thousand and five hundred × 900(mm)
Temperature range
-40℃ ~ +150℃
Control stability
Temperature ± 0.5 ℃
Distribution uniformity
Temperature ± 2.0 ℃
Heating rate
3 ℃/min (from - 40 ℃ to 30 ℃ for about 25 minutes) non-linear no-load
Cooling rate
1 ℃/min (from 30 ℃ to - 40 ℃ for about 70 minutes) non-linear no-load
Temperature limit
Maximum temperature+150 ℃
Low temperature - 40 ℃
Si IV. Product structure
Inner box material
SUS # 304 stainless steel plate
Outer box material
Iron plate baking paint
Thermal insulation material
Hard polyurethane foam+glass wool
Tight
1 piece of silicone foam pressing
Shelf
Two stainless steel shelves with adjustable height are set in the box (material: SUS # 304 stainless steel)
Heater
Stainless steel fin type heat sink U-shaped heating tube imported from Taiwan, China
Blower
1 motor
Stainless steel extended shaft
SIROCCO FAN
Special adjustable shutter air supply and circulation system
Box door
Single door, double door, embedded non-reaction plane handle
Four-layer vacuum toughened glass enlarged window
Electric automatic defogging, imported "PHILIP" lighting tube
Add a glass door inside the box
5、 Refrigeration system:
Adopt multi-section automatic load capacity adjustment technology, more efficient and energy-saving
compressor
French "Taikang" brand fully enclosed compressor
Condenser
Fin-type heat dissipation fan with attached platform
Evaporator
Fin-type multi-section automatic load capacity adjustment
Expansion valve
Danfoss components, Denmark
Refrigerant
The latest environment-friendly refrigerant R404A imported from the United States
Cooling auxiliary parts
Desiccant (Denmark), oil separator (USA), refrigerant window (Denmark), solenoid valve (Japan), filter (Japan), pressure controller (Korea), stop valve (Italy) and other refrigeration accessories are imported
Main controller:
Temperature and humidity controller:
A. Controller features
Self-developed 7-inch touch screen controller
Color LCD
Touch screen direct button type (touch screen operation control)
Temperature and humidity simultaneous programmable controller
Chinese and English display
two hundred and fifty-six × Wide view of 128 points
High contrast large LCD LCD display controller with adjustable backlight function.
B. Controller specification:
U Accuracy: temperature ± 0.1 ℃, humidity ± 1% R.H
U Resolution: temperature ± 0.1, humidity ± 0.1% R.H
U With upper and lower limit standby and alarm functions
U Temperature and humidity input signal selection PT 100 Ω × 2 (dry bulb and wet bulb)
U 9 groups of P.I.D control parameter settings, P.I.D automatic calculation
U Automatic correction of wet and dry bulb
C. Screen display function:
U Draw face to face, no key input, direct touch options on the screen
U Temperature and humidity setting (SV) and actual (PV) values are displayed directly
U can display the number, segment, remaining time and cycle times of the current execution program
U Operation cumulative time function
U Temperature and humidity program setting value is displayed in graphic curve, with real-time display program curve execution function
U has a separate program editing screen, and each page can input at least 5 segments of temperature, humidity and time
You can switch between Chinese and English at will.
U Fault prompt screen is displayed.
U The screen can be adjusted for backlight
U The screen display protection function can be set for timing, TIMER or manual shutdown
D. Program capacity and control function:
U Available program groups: up to 120 PATTEN
U Available memory capacity: 1200 SEGMENTS in total
U Repeatable commands: each command can be executed up to 999 times
The u program is made in conversational mode, and has the functions of editing, clearing, inserting, etc
U SEGMENTS time setting 0 ～ 99Hour59Min
U With power-off program memory, it can automatically start and continue to execute the program after power-off
U The graphic curve can be displayed in real time during program execution
U With reservation start and shutdown function
U With date and time adjustment function
U Key and screen lock function
Main components:
AC contactor: France
Thermal relay: France
AC relay: France
Time relay: Taiwan, China, China
Controller: independently developed
Over temperature protector: Taiwan, China
Main power switch: Taiwan, China
Solid state relay: Taiwan, China, China
Button switch: Taiwan, China
Dry burning protector: Italy
Operating voltage: 220V ± 10% 50HZ
Operating environment: allowable operating environment 0~30 ℃
Performance guarantee environment 5~25 ℃
The installation ground shall not have obvious inclination
No other items can be placed within 60cm around the instrument
Accessories: 50mm test hole on the left side of the fuselage, threaded cover, 1 set, 3 spare fuses
Items excluded from the appraisal: 1. Preparation works for the setting site 2. Electrical equipment at the input side 3. Electrical wiring works at the input side
Documents to be provided: 1. One copy of the order specification shall be provided when ordering
2. One copy of the instruction manual shall be provided at the time of delivery
3. * One copy shall be provided at the time of delivery
